/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BODY */
body {
    font-family: 'Poppins', sans-serif;
    background: #0b0b0b;
    color: #eaeaea;
    padding: 40px 20px;
}

/* CONTENEDOR PRINCIPAL */
.container {
    max-width: 1100px;
    margin: auto;
}

/* TITULO */
h1 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    color: #c5a46d;
    margin-bottom: 15px;
    text-align: center;
}

/* DESCRIPCIÓN */
.descripcion {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #ccc;
    font-size: 16px;
    line-height: 1.6;
}

/* CONTENEDOR DEL VISOR */
.viewer {
    background: #111;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 25px rgba(0,0,0,0.6);
}

/* IFRAME */
.viewer iframe {
    width: 100%;
    height: 800px;
    border: none;
    border-radius: 8px;
}

/* BOTÓN VOLVER */
.volver {
    display: inline-block;
    margin-bottom: 20px;
    color: #c5a46d;
    text-decoration: none;
    border: 1px solid #c5a46d;
    padding: 8px 20px;
    border-radius: 5px;
    transition: 0.3s;
}

.volver:hover {
    background: #c5a46d;
    color: black;
}

/* CONTENEDOR */
.volver {
    margin-bottom: 25px;
    text-align: center;
}

/* BOTÓN */
.btn-volver {
    display: inline-block;
    padding: 10px 25px;
    border: 1px solid #c5a46d;
    color: #c5a46d;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 1px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

/* HOVER */
.btn-volver:hover {
    background: #c5a46d;
    color: #0b0b0b;
    transform: translateY(-2px);
}

/* OPCIONAL: efecto más fino */
.btn-volver:active {
    transform: scale(0.97);
}